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Finding the Third Proportional to 8,209 and 16,901

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Solution

The third proportional to 8,209 and 16,901 is: 34,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209 : 16,901 = 16,901 : x
  2. Step 2: Convert to fraction form
    8,209/16,901 = 16,901/x
  3. Step 3: Cross multiply
    8,209x = 16,901 × 16,901
  4. Step 4: Simplify right side
    8,209x = 285,643,801
  5. Step 5: Solve for x
    x = 285,643,801/8,209
  6. Step 6: Final answer
    x = 34,796.42

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.